Intermediate Java Developer – Telco​/BSS​/OSS Environment

Johannesburg, South Africa | Posted on 17/04/2026

Position Type: Permanent | Full-Time

An exciting opportunity is available for an Intermediate Java Developer to join a dynamic Professional Services team within a fast-paced enterprise telecommunications environment.

This role is ideal for a developer who enjoys working across the full Software Development Lifecycle (SDLC), from design and development through to deployment and post-implementation support. You will play a key role in delivering high-quality, scalable solutions within BSS/OSS systems, aligned to both business and technical requirements.

Due to the nature of the environment, occasional after-hours support may be required.

• Design, develop, and maintain scalable Java-based applications within enterprise systems
• Translate business requirements into technical solutions and system designs
• Design and implement data models across relational databases (Oracle, SQL Server, MySQL, Postgre
  
  SQL)
• Write and optimise complex SQL queries
• Develop and maintain integration components within BSS/OSS environments
• Participate in deployments, configurations, and release management processes
• Use Git for version control and collaborative development
• Troubleshoot, debug, and resolve system and production issues
• Provide post-implementation support and ongoing system maintenance
• Support testing activities including integration testing, UAT, and system testing
• Perform API testing and validation using tools such as Postman
• Document technical solutions, systems, and processes
• Collaborate within Agile/Scrum teams and participate in sprint ceremonies
• Contribute to continuous improvement and ongoing learning initiatives

• Minimum 5 years’ experience in Java development
• Strong proficiency in Java (J2EE, Spring Framework, Spring Boot)
• Proven experience within telecommunications BSS/OSS environments (essential)
• Experience with Apache Camel or similar integration frameworks
• Solid understanding of SDLC and Agile/Scrum methodologies
• Strong SQL and relational database experience (Oracle, MySQL, Postgre
  
  SQL, SQL Server)
• Working knowledge of Linux operating systems
• Experience with J2EE containers and application servers
• Exposure to messaging systems such as Rabbit
  
  MQ or ActiveMQ
• API integration experience (REST services, Postman testing)
• Experience using Git or similar version control tools
• Exposure to Docker and Kubernetes (advantageous)

• Strong analytical and problem-solving skills
• High attention to detail with a quality-driven mindset
• Ability to perform under pressure and manage multiple priorities
• Strong communication and interpersonal skills
• Team-oriented with a collaborative approach
• Self-motivated with a proactive attitude toward learning
• Adaptable in a fast-paced, evolving environment

• Diploma or Degree in IT, Computer Science, Engineering, or a related field (preferred)